Dielectrics: A parallel-plate capacitor with plate separation of 4.0 cm has a plate area of 6.0 × 10-2 m2.What is the capacitance of this capacitor if a dielectric material with a dielectric constant of 2.4 is placed between the plates, completely filling the space? (?0 = 8.85 × 10-12 C2/N ? m2)
A. 3.7 × 10-12 F
B. 3.7 × 10-14 F
C. 16 × 10-14 F
D. 32 × 10-14 F
E. 32 × 10-12 F
Answer: E
You might also like to view...
Determine this shape factor F1–2 for the geometrical configuration shown
GIVEN
The geometrical configuration shown above
FIND
The shape factor F1–2
The sky is usually the deepest blue
A) just before a rainstorm. B) during a rainstorm. C) just after a rainstorm. D) just before sunset. E) when the air is humid.
A square coil, enclosing an area with sides 2.75 cm long, is wrapped with 1 875 turns of wire. A uniform magnetic field perpendicular to its plane is turned on and increases to 0.390 T during an interval of 1.70 s. What average voltage is induced in the coil?
a. 0.325 V b. 0.553 V c. 1.73 V d. 0.118 V e. 1.82 V
A hydrogen atom is in its n = 2 excited state when its electron absorbs a photon of energy 8.5 eV. What is the energy of the resulting free electron?
The lowest level energy state of hydrogen is -13.6 eV. (h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J) A) 5.1 eV B) 6.6 eV C) 6.9 eV D) 7.6 eV